docker-compose.yml

# docker-compose.yml
# Usage:
#   export PAYID_DOCKER_IMAGE_VERSION=$(node -p "require('./package.json').version")
#   docker-compose up -d --build
version: '3'
services:
  payid_server:
    # Defines the container name when using "docker-compose up". Warning: does not work with "docker-compose run" (Docker issue)
    container_name: 'payid-server'
    # Defines the image name and tag.
    image: payid:${PAYID_DOCKER_IMAGE_VERSION}
    # As we define the build context, the image is not pulled from Dockerhub. It is built locally based on our Dockerfile.
    build:
      context: .
    # Port mapping, external_port:internal_port
    ports:
      - '8080:8080'
      - '8081:8081'
    # The payid container can't run alone. A Postgres container will always be created thanks to "depends_on"
    depends_on:
      - 'db'
    environment:
      # Used in wait-for-postgres.sh and by payid. The value must be the same as the POSTGRES_PASSWORD value in the db service.
      - DB_PASSWORD=password
      # Uncomment DB_NAME if you change POSTGRES_DB in the "db" service below
      #- DB_NAME=database_development
      # DB_HOSTNAME is used by wait-for-postgres.sh and payid to point at the right host (default is 127.0.0.1 which would fail)
      - DB_HOSTNAME=db
      # uncomment DB_USERNAME if POSTGRES_USER in the db service is uncommented and different than "postgres". DB_USERNAME and POSTGRES_USER must have the same values
      #- DB_USERNAME=postgres
    # "command" overrides CMD in the Dockerfile to use wait-for-postgres.sh and make sure Postgres is ready to execute SQL scripts
    # If we don't do this check, we will end up seeing error messages like:
    # psql: error: could not connect to server: could not connect to server: Connection refused
    command:
      [
        '/opt/payid/scripts/wait-for-postgres.sh',
        'db',
        'node',
        '/opt/payid/build/src/index.js',
      ]
  db:
    container_name: payid-database
    # Image pulled from Dockerhub
    image: postgres:12-alpine
    # external_port:internal_port
    ports:
      - '${DB_PORT:-5432}:5432'
    environment:
      # POSTGRES_PASSWORD is mandatory. If POSTGRES_PASSWORD != password, update DB_PASSWORD in the payid service
      - POSTGRES_PASSWORD=password
      # If POSTGRES_DB != database_development, change DB_NAME in the payid service above
      - POSTGRES_DB=database_development
      # Uncomment if you want to change the Postgres user (in that case, change DB_USERNAME in the payid service). Default value: postgres
      #- POSTGRES_USER=postgres